Clarksburg Middle School
Published drinking-water records and contacts for Clarksburg Middle School. System CA5700509. Review sources and dates; not a real-time water assessment.
- System ID
- CA5700509
- State or territory
- CA
- Published population served
- 460
- System type (source code)
- NTNCWS
Published records and dates
- Lead and copper monitoring summaries: 5 — 2010-01-01 – 2025-12-31
- California DDW laboratory results: 22 — 2026-03-10 – 2026-06-09
Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.
Published testing results
Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.
“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example
Lead and copper: 90th-percentile summaries
These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile
| Substance | Published 90th percentile | Monitoring period | Source quarter |
|---|---|---|---|
| Lead (PB90) | 0.00252 mg/L | 2023-01-01 – 2025-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2020-01-01 – 2022-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2017-01-01 – 2019-12-31 | 2026Q3 |
| Lead (PB90) | 0 mg/L | 2016-01-01 – 2018-12-31 | 2026Q3 |
| Lead (PB90) | 0.01445 mg/L | 2010-01-01 – 2012-12-31 | 2026Q3 |
| Substance | Published result | Sample date | Location / source |
|---|---|---|---|
| NITRATE | < 0.400000000 MG/L | 2026-06-09 | WELL 01 / California DDW laboratory results |
| NETFOSAA | < 0.764000000 NG/L | 2026-03-10 | WELL 01 / California DDW laboratory results |
| PERFLUOROHEXANOIC ACID (PFHXA) | 0.901 NG/L | 2026-03-10 | WELL 01 / California DDW laboratory results |
| 11CL-PF3OUDS | < 0.497000000 NG/L | 2026-03-10 | WELL 01 / California DDW laboratory results |
| PERFLUOROTETRADECANOIC ACID (PFTA) | < 0.655000000 NG/L | 2026-03-10 | WELL 01 / California DDW laboratory results |
| PERFLUORONONANOIC ACID (PFNA) | < 0.491000000 NG/L | 2026-03-10 | WELL 01 / California DDW laboratory results |
| ADONA | < 0.500000000 NG/L | 2026-03-10 | WELL 01 / California DDW laboratory results |
| NMEFOSAA | < 0.763000000 NG/L | 2026-03-10 | WELL 01 / California DDW laboratory results |
| PERFLUOROCTANOIC ACID (PFOA) | 1.40 NG/L | 2026-03-10 | WELL 01 / California DDW laboratory results |
| PERFLUOROHEXANE SULFONIC ACID (PFHxS) | < 0.580000000 NG/L | 2026-03-10 | WELL 01 / California DDW laboratory results |
| PERFLUOROBUTANE SULFONIC ACID (PFBS) | < 0.505000000 NG/L | 2026-03-10 | WELL 01 / California DDW laboratory results |
| PERFLUORODECANOIC ACID (PFDA) | < 0.647000000 NG/L | 2026-03-10 | WELL 01 / California DDW laboratory results |
State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.
Download state records with source notes (CSV)
Published compliance history
4 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.
| Rule / record | Period | Recorded status | Health-based (EPA classification) | Source quarter |
|---|---|---|---|---|
| Ground Water Rule / Failure to Conduct Assessment Monitoring | 2020-01-01 – 2020-03-31 | Resolved | No | 2026Q3 |
| Ground Water Rule / Failure to Conduct Assessment Monitoring | 2017-01-01 – 2017-03-31 | Resolved | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1984-08-01 – 1984-08-31 | Archived | No | 2026Q3 |
| Miscellaneous Other Rules / Notification, Public | 1983-03-01 – 1983-03-31 | Archived | No | 2026Q3 |
Source dates and refresh checks
A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.
- EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
- EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
- EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
- California DDW laboratory results — last successful check: 2026-10-18
Administrative contact (EPA filing)
Agan, Codi: 707-374-1707
An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.